F98.4: Stereotyped movement disorders
F98.4 is a billable, specific ICD-10-CM code for stereotyped movement disorders. It is valid for submission on a claim.
Check F98.4 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- abnormal involuntary movements (R25.-)
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Stereotype/habit disorder
Excludes2 inherited from the categories above F98.4
Not part of this code, but both may be coded when both are present.
Written on F98: Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Other codes that can never be billed with F98.4
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R25Abnormal involuntary movements
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
F98.4 is named in 8 Medicare coverage policies: 7 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56937Billing and Coding: Psychiatry and Psychology Services
- A57065Billing and Coding: Outpatient Psychiatry and Psychology Services
- A57130Billing and Coding: Psychiatric Codes
Alphabetic index entries that lead here
- Spasmus nutans
- Stereotypies NEC
- Body, bodies›rocking
- Disorder›stereotyped, habit or movement
- Spasm, spastic, spasticity›nodding
- Disorder›movement›stereotyped
- Hair›plucking›in stereotyped movement disorder
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under F98
- F98.0Enuresis not due to a substance or known physiological condition
- F98.1Encopresis not due to a substance or known physiological condition
- F98.2Other feeding disorders of infancy and childhood
- F98.3Pica of infancy and childhood
- F98.5Adult onset fluency disorder
- F98.8Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
- F98.9Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence